OSPWT225-EN
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Instruction manual
Pneumatic Actuated Butterfly Damper WT
SP-1474
Please read this manual before installation and use.
GENERAL
It composed of wafer type butterfly damper and pneumatic actuator.
The piston incorporating wear ring prevents wear of sliding surface
and offers superior durability.
Actuator
Double-acting type
TAD
Single-acting type
TAO (Airless SHUT)
TAC (Airless OPEN)
Damper
WT type With heat-resistant damper material this series can be used at fluid
temperatures ranging from -40 °C to +550 (600) °C.
PRODUCT CODE
WT type (Without seat)
W T 9
2 T G 0 -
-
-
(With SUS316 seat)
W T 9
2 T G S -
-
-
(1)
(2) (3) (4) (5) (6) (7) (8)
(9)
(10) (11)
(1) Actuator
TAD
TAO
TAC
(2) Damper
WT
(3) Voltage
9 : Air
(4) Sizing code
0 : Standard
1 : Light
2 : Heavy
(5) Connection
2 : JIS 5K
(6) Body material
T : SCS13A
(7) Packing material
G : Expansion graphite
(8) Seat material
0 : (Zero) None
S : SUS316
(9) Size [mm]
ex. 80 A ® 080
(10) Option
FR : Filter Regulator Unit
LB : Limit Switch Box
EP : Positioner
ES : Smart Positioner
ER : Smart Positioner
(11) Positioner control pattern (TAD)
A : SHUT by 4 mA « OPEN by 20 mA
B : SHUT by 20 mA « OPEN by 4 mA
(11) Positioner control pattern (TAO)
C : OPEN by 20 mA « SHUT by 4 mA (Airless SHUT)
D : OPEN by 4 mA « SHUT by 20 mA (Airless SHUT)
(11) Positioner control pattern (TAC)
E : SHUT by 4 mA « OPEN by 20 mA (Airless OPEN)
T : SHUT by 20 mA « OPEN by 4 mA (Airless OPEN)
